2.1.1875 Part 4 Section 7.1.3.1, ST_BreakBin (Break Binary Operators)

a. The standard says that after means the
operator appears after the break and before means the operator appears before
the break.

In Word, after means the break occurs after the
operator (the binary operator appears before the break) and before means the
break occurs before the operator (the binary operator appears after the break).